Effect

Generation I

Sand-Attack decreases the target's accuracy stat by one stage. Sand-Attack is a Normal-type move in this generation.

Generation II and on

The effects of Sand-Attack are the same as the previous generation, however it is now a Ground-type move. Although it is a Ground-type move, it still affects Flying-type Pokémon and those with the AbilityLevitate.

Ninjask flies low to the ground and spins around, making a spiral of dirt appear and go into the air. The dirt then falls down over the opponent, or Ninjask flies at the ground while flying at the opponent and flings dirt at the opponent.

Hippopotas releases a stream of sand out of the hole on its back, or Hippopotas sprays sand from the hole on its back at the opponent, or Hippopotas releases a smog of sand from its nostrils at the opponent.